/*初始化样式*/
*{
    margin: 0;
    padding: 0;
}
li{
    list-style-type: none;
}
a{
    text-decoration: none;
    color: #000;
}


/*设置页面样式*/
body{
    font-size: 12px;
    background: url(../images/bg.gif) no-repeat center top;
}